Flame arrester quench-gap size vs maximum experimental safe gap (MESG) - prevents flash-back from ignited vapours.
Formula
$$ gap \leq MESG $$Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| $MESG$ | Maximum Experimental Safe Gap | mm | IEC 60079-1 |
Sources
- IMO MSC/Circ.677.